Two sides to that question, I suppose...It boils down to one question - do you believe Israel has the right to exist?
They won all (what it is seven?) civil wars that resulted since its declaration in 1949. Isn't that by definition how a new state is formed?
However, that does not excuse the Israeli government from the deplorable acts which it has committed in the name of their independence towards the Palestinian people. For me it boils down to where my tax dollars are going. I disagree with how much the US spends to keep Israel afloat.